Power Systems Which of the following transformer is used in sub station for operating a protective relay? auto transformer capacitor voltage transformer All of these distribution transformer auto transformer capacitor voltage transformer All of these distribution transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems Graphite is use din nuclear plant as a / an fuel. electrode. coolant. moderator. fuel. electrode. coolant. moderator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively? 2 and 2 pu 1 and 3 pu 2 and 5 pu 3 and 1 pu 2 and 2 pu 1 and 3 pu 2 and 5 pu 3 and 1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems As the frequency of the system is increased, the charging MVAR increases decreases None of these remains unaffected increases decreases None of these remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on the lighting voltage. corona. R × I. the switch voltage. the lighting voltage. corona. R × I. the switch voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 55 kA. 45 kA. 50 kA. 35 kA. 55 kA. 45 kA. 50 kA. 35 kA. ANSWER DOWNLOAD EXAMIANS APP
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